Exam #3 Name: The effectiveness of a new bug repellent is tested on 20 subjects for a 10-hour period. Based on the number and location of the bug bites, the percentage of surface area exposed protected from bites was calculated for each of the subjects. The results were & # 92,s = 7. The new repellent is considered effective if it provides a percentage repellency greater than 89. Assume the population is normally distributed and use a = 0.05. 16. Identify the null and alternative hypothesis Ho: Ha: 17. Determine the critical t-value(s) and draw the rejection region. 18. Calculate the test statistic and state whether or not it falls within the rejection region 19. State your conclusion 20. Consider the